Subclinical hyperthyroidism is different from
hyperthyroidism. Your TSH levels are low but
your thyroid hormone levels are normal.

If you have subclinical hyperthyroidism, you may have no symptoms at
all. Or you may lose weight or feel anxious.

People with subclinical hyperthyroidism may also develop some of the more serious problems related to hyperthyroidism such as
heart and bone problems. But experts do not know whether the benefits of
treating subclinical hyperthyroidism outweigh the risks. For this reason, if
you have subclinical hyperthyroidism, your doctor may just watch you
closely.

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